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atl1c:add pci map direction in atl1c_buffer flags

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add pci map direction in atl1c_buffer flags, it is used when call pci_unmap
apis.
Signed-off-by: Jie Yang <jie.yang@atheros.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jie Yang 2009-12-06 22:56:59 +00:00 committed by David S. Miller
parent b38310e99e
commit 4b45e3424e
2 changed files with 24 additions and 9 deletions
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11
drivers/net/atl1c/atl1c.h
View File

@ -479,6 +479,9 @@ struct atl1c_buffer {
#define ATL1C_PCIMAP_PAGE 0x0008
#define ATL1C_PCIMAP_TYPE_MASK 0x000C
#define ATL1C_PCIMAP_TODEVICE 0x0010
#define ATL1C_PCIMAP_FROMDEVICE 0x0020
#define ATL1C_PCIMAP_DIRECTION_MASK 0x0030
dma_addr_t dma;
};
@ -487,9 +490,11 @@ struct atl1c_buffer {
((buff)->flags) |= (state); \
} while (0)
#define ATL1C_SET_PCIMAP_TYPE(buff, type) do { \
((buff)->flags) &= ~ATL1C_PCIMAP_TYPE_MASK; \
((buff)->flags) |= (type); \
#define ATL1C_SET_PCIMAP_TYPE(buff, type, direction) do { \
((buff)->flags) &= ~ATL1C_PCIMAP_TYPE_MASK; \
((buff)->flags) |= (type); \
((buff)->flags) &= ~ATL1C_PCIMAP_DIRECTION_MASK; \
((buff)->flags) |= (direction); \
} while (0)
/* transimit packet descriptor (tpd) ring */

22
drivers/net/atl1c/atl1c_main.c
View File

@ -713,15 +713,21 @@ static int __devinit atl1c_sw_init(struct atl1c_adapter *adapter)
static inline void atl1c_clean_buffer(struct pci_dev *pdev,
struct atl1c_buffer *buffer_info, int in_irq)
{
u16 pci_driection;
if (buffer_info->flags & ATL1C_BUFFER_FREE)
return;
if (buffer_info->dma) {
if (buffer_info->flags & ATL1C_PCIMAP_FROMDEVICE)
pci_driection = PCI_DMA_FROMDEVICE;
else
pci_driection = PCI_DMA_TODEVICE;
if (buffer_info->flags & ATL1C_PCIMAP_SINGLE)
pci_unmap_single(pdev, buffer_info->dma,
buffer_info->length, PCI_DMA_TODEVICE);
buffer_info->length, pci_driection);
else if (buffer_info->flags & ATL1C_PCIMAP_PAGE)
pci_unmap_page(pdev, buffer_info->dma,
buffer_info->length, PCI_DMA_TODEVICE);
buffer_info->length, pci_driection);
}
if (buffer_info->skb) {
if (in_irq)
@ -1606,7 +1612,8 @@ static int atl1c_alloc_rx_buffer(struct atl1c_adapter *adapter, const int ringid
buffer_info->dma = pci_map_single(pdev, vir_addr,
buffer_info->length,
PCI_DMA_FROMDEVICE);
ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE);
ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE,
ATL1C_PCIMAP_FROMDEVICE);
rfd_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
rfd_next_to_use = next_next;
if (++next_next == rfd_ring->count)
@ -1967,7 +1974,8 @@ static void atl1c_tx_map(struct atl1c_adapter *adapter,
buffer_info->dma = pci_map_single(adapter->pdev,
skb->data, hdr_len, PCI_DMA_TODEVICE);
ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_BUSY);
ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE);
ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE,
ATL1C_PCIMAP_TODEVICE);
mapped_len += map_len;
use_tpd->buffer_addr = cpu_to_le64(buffer_info->dma);
use_tpd->buffer_len = cpu_to_le16(buffer_info->length);
@ -1988,7 +1996,8 @@ static void atl1c_tx_map(struct atl1c_adapter *adapter,
pci_map_single(adapter->pdev, skb->data + mapped_len,
buffer_info->length, PCI_DMA_TODEVICE);
ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_BUSY);
ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE);
ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE,
ATL1C_PCIMAP_TODEVICE);
use_tpd->buffer_addr = cpu_to_le64(buffer_info->dma);
use_tpd->buffer_len = cpu_to_le16(buffer_info->length);
}
@ -2009,7 +2018,8 @@ static void atl1c_tx_map(struct atl1c_adapter *adapter,
buffer_info->length,
PCI_DMA_TODEVICE);
ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_BUSY);
ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_PAGE);
ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_PAGE,
ATL1C_PCIMAP_TODEVICE);
use_tpd->buffer_addr = cpu_to_le64(buffer_info->dma);
use_tpd->buffer_len = cpu_to_le16(buffer_info->length);
}